docs/88686: [PATCH] FAQ 5.21 - Slow SSH / Telnet

Alex Kelly aekelly at gmail.com
Tue Nov 8 20:00:32 UTC 2005


>Number:         88686
>Category:       docs
>Synopsis:       [PATCH] FAQ 5.21 - Slow SSH / Telnet
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-doc
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          doc-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Nov 08 20:00:31 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Alex Kelly
>Release:        FreeBSD 5.4-RELEASE i386
>Organization:
>Environment:
System: FreeBSD siteinit.com 5.4-RELEASE FreeBSD 5.4-RELEASE #0: Thu Sep 15 02:03:15 EDT 2005 root at siteinit.com:/usr/src/sys/i386/compile/MYKERNEL i386

>Description:
Two more solutions on how to fix slow SSH and telnet could be added.

>How-To-Repeat:
N/A

>Fix:

--- book.sgml.old       Tue Nov  8 14:29:41 2005
+++ book.sgml   Tue Nov  8 14:29:48 2005
@@ -3719,6 +3719,15 @@
             correctly.  To check, try to look up another host--say,
             <hostid>www.yahoo.com</hostid>.  If it does not work, that is
             your problem.</para>
+
+          <para>Following a fresh install of FreeBSD, it is also possible that domain
+            and nameserver information is missing from resolv.conf. This will
+            often cause a delay in SSH, as the option "UseDNS" is set to "yes"
+            by default in the sshd_config file in the /etc/ssh/ folder. If this
+            is causing the problem, you will either need to fill in the missing
+            information in resolv.conf or set "UseDNS" to "no" in sshd_config as
+            a temporary workaround.
+
         </answer>
       </qandaentry>

>Release-Note:
>Audit-Trail:
>Unformatted:



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